20896395

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1061}}^1$

素因数の和:1183

約数の個数: 32

約数和(自身を含む): 36396864

約数和(自身を除く): 15500469

約数列:

[1, 3, 5, 13, 15, 39, 65, 101, 195, 303, 505, 1061, 1313, 1515, 3183, 3939, 5305, 6565, 13793, 15915, 19695, 41379, 68965, 107161, 206895, 321483, 535805, 1393093, 1607415, 4179279, 6965465, 20896395]

約数ペア:

[(1, 20896395), (3, 6965465), (5, 4179279), (13, 1607415), (15, 1393093), (39, 535805), (65, 321483), (101, 206895), (195, 107161), (303, 68965), (505, 41379), (1061, 19695), (1313, 15915), (1515, 13793), (3183, 6565), (3939, 5305)]